Door-stop.



No. 643,850. Patented Feb. 20, I900.

a. H. ROGERS.

DOOR STOP.

(Application filed. May 18, 1899.)

(No Mode!.)

.E'ZVEJY [0F UNITED STATES PATENT OFFICE.

GEORGE H. ROGERS, OF BIRMINGHAM, ALABAMA.

DOOR-STOP.

$PECIFICATION forming part Of Letters Patent N0. 643,850, dated February20, 1900.

Application filed May 18, 1899. Serial No. 717,340. (No model.)

To all whom it may concern:

Be it known that I, GEORGE H. ROGERS, a citizen of the United States,and a resident of Birmingham, Jefferson county, State of Alabama, haveinvented a certain new and useful Door-Stop; and I do declare that thefollowing is a clear, full, and exact description of the invention, suchas will enable others skilled in the art to which it appertains to makeand use the same,attention being called to the accompanying drawings,with the reference-numerals marked thereon, which form a part of thisspecification.

This invention relates to a door-stop in shape of a bolt which may beused in two ways, which are, first, as a means to positively lock thedoor in a specific position-as, for instance, when closed-and, second,to merely hold the same at any point between extreme positions-as, forinstance, when it is desired to hold the door partly open.

The .invention consists of certain features and details of constructionwhereby a bolt is caused to operate in the manner above set forth.

In the following specification and particularly pointed out in theclaims at the end thereof is found a full description of my invention,together with its operation,parts,and construction, which latter is alsoillustrated in the accompanying drawings, in which- Figure 1 shows inelevation the lower part of a door closed and with my device in positionand used to lock the door in its closed position. Fig. 2, inatop view ofFig. 1,shows my device as used for holding the door in a partly-openposition. Fig. 3, in an elevation, partly in section, shows the devicedetached and in its normal condition. Fig. 4, in a similar view, takenat right angles to the preceding one, shows the device as used to lockthe door in its closed position. Fig. 5, in a view similar to thepreceding one, shows the device as used to hold the door in apartly-open condition. The last three figures are shown on an enlargedscale.

Numeral 7 indicates the bolt, contained in a housing 8, which latter isconnected in an upright position to the lower part of a door 9, as shownin Fig. 1. The bolt is normally held elevated and with its lower endinside of housing Sbyimeans of a spring 11,encircling the former andconfined between two shoulders, of which one, 12, is formed within theinterior of the housing and the other, 13, is formed on bolt 7. Thislast shoulder is ob tained by simply increasing the diameter of theupper part of the bolt, as shown, such increase being preferably to asize to completely fill the housing.

14 is a socket secured in a position to be capableof receiving the lowerend of the bolt when the door is in a certain position in which it isintended to lock the same-as, for instance, when entirely closed. (SeeFigs. 1 and 4.) To bring about such engagement, bolt 7 is depressed, forwhich purpose an arm 15 is provided, projecting outwardly from thelatter and through a slot 16 in the housing. Since such depression isagainst the expan sive action of spring 11, it becomes necessary to holdthe bolt in such depressed position, for which purpose ratchet-teeth 17are provided on the latter, and a spring-actuated pawl 18 is supportedon the housing through an opening 19, in which it engages said teeth.When it is desired to unlock the bolt to permit opening of the door, theformer is released from the engagement with pawl 18, whereupon spring 11by expanding to its normal position lifts the bolt out of socket 14. Forso disengaging the pawl the latter is provided with anoutwardly-projecting arm 21, pivoted like the pawl at 22, and which armis depressed, thereby raising pawl 18 out of the teeth. The operation ofthis device is rendered very convenient by reason of these projectingarms 15 and 21, which may be manipulated by the foot, arm 21 requiringonly a light touch, thus obviating the necessity of stooping down. Theouter surface of arm 15 is roughened by serrations or knurling, whichenables the foot to obtain a securer hold.

The door may also be held by frictional contact and pressure merely atany point, as shown in Fig. 2 and which is between extreme positionsthatis, between the entirely-open one and one completely closed, in whichlatter the door may also be positively looked, as before described. Thisis obtained by having the lower end of the bolt yieldable and causingit, by means of spring-pressure, to impinge against the floor. For suchpurpose the lower part of bolt 7 is hollow and contains a shortsupplementary bolt 23, with a spring 24. behind or above and pressing itnormally outwardly. It is held in place by a pin or screw 25, working ina slot 26. The operation and manipulation of the device when to be usedin this manner are the same as before described. If it be desired tohold the door partly open, the same is swung first to the desiredangle--for instance, as shown in Fig. 2 after which bolt 7 is depressed,as before described, by stepping on arm 15. This movement carries ortends to carry the supplementary bolt 23 against the floor, causing assoon as the former comes in contact with the latter a compression ofspring 24, the outward pressure of which is sufficient to hold the doorin position. (See Fig. 5.) It is released by pressingon arm 21, the sameas before, whereupon spring 11 carries bolt 7, with its yieldable endup, into housing 8. Excepting, however, the presence of any unevennessin the floor at the particular point where the bolt is to engage thesame to hold the door bolt 23 will not move down at all, or at leastvery little, and the only movement which occurs is by bolt '7. Itsdownward movement, however,causes the requisite compression of spring24, with the desired effect of exerting pressure against the floor, asshown in Fig. 5. To obtain a better contact and also to preventscratching of the floor, the outer end of bolt 23 is tipped off with arubber foot 27. The outer end of arm 15 is also provided with a rubbertip 2% and made sufiiciently long so as to serve at the same time as abuffer to prevent injury to the wall by the door-knob or otherprojecting parts of the door in case this latter is entirely thrownopen. In this capacity it takes the place of devices now generallysecured to the wall or base-board.

Having described my invention, I claim as new 1. In a door-stop, to holda door at any point between its extreme positions, the combination of ahousing, a bolt adjustably fitted thereinto, having an independentspringpressed end, aspring to hold the bolt normally elevated, an armfor depressing it projecting 5o therefrom in a direction at right anglesto the door and reaching through a slot in the housing its end providedwith a rubber tip acting as a buffer and means to detachably hold thebolt when depressed.

2. In a door-stop to look a door, or to hold it at any point betweenextreme positions, the combination of a cylindrical housing, a boltmovably fitted thereinto and having an independent spring pressed end,an internal shoulder in. the lower part of the bore of the housing, anexternal shoulder near the upper end of the bolt, aspring encirclingthis latter and con fined between the two shoulders mentioned and havinga normal tendency to hold the bolt elevated, ratchet-teeth provided inthe side of the bolt and a pawl adapted to engage them, being pivotallymounted on the outside of the housing, a slot provided in this latterthrough which the pawl reaches the teeth, an outwardly-extending arm tomanipulate this pawl and another'arm for depressing the bolt, beingattached thereto and projecting laterally through a slot in the housing.

3. In a door-stop to look a door or to hold it at any point betweenextreme positions, the combination of a cylindrical housing, a bolt thelower part of which is hollow movably fitted thereinto, an internalshoulder in the lower part of the bore of the housing, an externalshoulder near the upper end of the bolt, a spring encircling this latterand confined between the two shoulders mentioned and having a normaltendency to hold the bolt elevated, means to depress this latter andmeans to detachably hold it so, a supplementary bolt contained in thehollow part of the bolt men tioned and a spring behind it pressing itnormally outwardly.

In testimony whereof I hereunto affix my signature in presence of twowitnesses.

GEORGE I-l. ROGERS.

\Vituesses:

L. J. HALEY, Jr., A. L. PEACE.

